Cross country ski boot



FIG. 1 is a right rear perspective view of a cross country ski bootshowing my new design with the external tongue opened;

FIG. 2 is a left rear perspective view thereof;

The bottom, not shown, is substantially plain and unornamented; and

FIG. 3 is a left front perspective view thereof with the tongue closed.

The ornamental design for cross country ski boot, substantially as shownand described.